Famed heart transplant surgeon who pioneered important advances in cardiovascular surgery. Three items: color glossy 8 x 10 photo of Cooley receiving the National Medal of Technology, signed in black felt tip; glossy 10 x 8 photo of Cooley and William Kolff studying a heart model, signed in black felt tip by both; and an original ink sketch of a heart on an off-white 5.5 x 8 sheet of Cooley’s letterhead, signed in black felt tip. In fine condition. R&R COA.